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Associated Press

BOCA RATON, Fla. (AP) - President Barack Obama is taking an aggressive posture toward rival Mitt Romney in Monday's debate, at one point saying the Republican's policy proposals are so outdated "the 1980s are now calling to ask for their foreign policy back."

PHOTOS:Last presidential debate

The two sparred early in the debate moderated by CBS News anchor Bob Schieffer.

After Romney voiced concerns about the persistent threat of al-Qaida in the Middle East, Obama noted Romney had once called Russia the nation's gravest geopolitical threat.

Obama said Romney's policy positions were rooted in the 1980s and his views on social issues are rooted in the 1950s.

Romney said he wouldn't have "rose-colored glasses" toward Russian leader Vladimir Putin and chided Obama for suggesting he would have greater flexibility toward Russia after the election.

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